func getListener()

in auth/login.go [137:144]

• 8 lines of code
• 2 McCabe index (conditional complexity)

func getListener() (net.Listener, int, error) {
	laddr := net.TCPAddr{IP: net.IPv4(127, 0, 0, 1), Port: 0} // port: 0 == find free port
	ln, err := net.ListenTCP("tcp4", &laddr)
	if err != nil {
		return nil, 0, err
	}
	return ln, ln.Addr().(*net.TCPAddr).Port, nil
}